29 lines
1.0 KiB
JavaScript
29 lines
1.0 KiB
JavaScript
import { Comment, Fragment } from 'vue';
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import { isArray } from '../../shared/index.js';
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const isVNodeChildrenEmpty = (children) => children.every((item) => {
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if (item.type === Comment)
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return true;
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if (item.type === Fragment) {
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return (item.children == null ||
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(isArray(item.children) &&
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isVNodeChildrenEmpty(item.children)));
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}
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return false;
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});
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/**
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* Check whether a slot is currently empty.
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*
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* 检查插槽当前是否为空
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*
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* @param normalizedSlotContent - The normalized slot content, which should be the results of the slot function / 标准化的插槽内容，应该是插槽函数的结果
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*
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* @returns True if the slot content is empty, false otherwise / 如果插槽内容为空则返回 true，否则返回 false
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*/
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export const isSlotContentEmpty = (normalizedSlotContent) => {
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if (normalizedSlotContent == null)
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return true;
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if (isArray(normalizedSlotContent))
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return isVNodeChildrenEmpty(normalizedSlotContent);
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return false;
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};
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